/Engine/Source/Runtime/Engine/Classes/Curves/RichCurve.h
Get the first key that matches any of the given key handles.
[FRichCurveKey](API\Runtime\Engine\Curves\FRichCurveKey) * GetFirstMatchingKey ( const [TArray](API\Runtime\Core\Containers\TArray)< [FKeyHandle](API\Runtime\Engine\Curves\FKeyHandle) > & KeyHandles )